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Computational and experimental studies of fluid flow and heat transfer in a Calandria based reactor

Ravi, SD and Rajan, NKS and Kulkarni, PS (2008) Computational and experimental studies of fluid flow and heat transfer in a Calandria based reactor. In: Proceedings of 5th International conference on Computational Fluid Dynamics (ICCFD5), Seoul, Seoul.

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CFD investigations are carried out to study the heat flux and temperature distribution in the calandria using a 3–Dimensional RANS code. Internal flow computations and experimental studies are carried out for a calandria embedded with a matrix of tubes working together as a reactor. Numerical investigations are carried on the Calandria reactor vessel with horizontal inlets and outlets located on top and the bottom to study the flow pattern and the associated temperature distribution. The computations have been carried out to simulate fluid flow and convective heat transfer for assigned near–to working conditions with different moderator injection rates and reacting heat fluxes. The results of computations provide an estimate of the tolerance bands for safe working limits for the heat dissipation at different working conditions by virtue of prediction of the hot spots in the calandria. The isothermal CFD results are validated by a set of experiments on a specially designed scaled model conducted over a range of flows and simulation parameters. The comparison of CFD results with experiments show good agreement.

Item Type: Conference Paper
Keywords: computational fluid dynamics;calandria;heat transfer; turbulence;flow visualization technique.
Department/Centre: Division of Physical & Mathematical Sciences > Joint Astronomy Programme
Date Deposited: 11 Oct 2011 06:56
Last Modified: 11 Oct 2011 06:56
URI: http://eprints.iisc.ac.in/id/eprint/41089

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